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<h2><span class="refentrytitle"><a name="GstVideoFilter.top_of_page"></a>GstVideoFilter</span></h2>
<p>GstVideoFilter — Base class for video filters</p>
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<a name="GstVideoFilter.other"></a><h2>Types and Values</h2>
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<td class="datatype_keyword">struct</td>
<td class="function_name"><a class="link" href="GstVideoFilter.html#GstVideoFilter-struct" title="struct GstVideoFilter">GstVideoFilter</a></td>
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<td class="datatype_keyword">struct</td>
<td class="function_name"><a class="link" href="GstVideoFilter.html#GstVideoFilterClass" title="struct GstVideoFilterClass">GstVideoFilterClass</a></td>
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<a name="GstVideoFilter.object-hierarchy"></a><h2>Object Hierarchy</h2>
<pre class="screen">    <a href="/usr/share/gtk-doc/html/gobject/gobject-The-Base-Object-Type.html#GObject-struct">GObject</a>
    <span class="lineart">╰──</span> <a href="/usr/share/gtk-doc/html/gobject/gobject-The-Base-Object-Type.html#GInitiallyUnowned">GInitiallyUnowned</a>
        <span class="lineart">╰──</span> <a href="/usr/share/gtk-doc/html/gstreamer-1.0/GstObject.html#GstObject-struct">GstObject</a>
            <span class="lineart">╰──</span> <a href="/usr/share/gtk-doc/html/gstreamer-1.0/GstElement.html#GstElement-struct">GstElement</a>
                <span class="lineart">╰──</span> <a href="/usr/share/gtk-doc/html/gstreamer-libs-1.0/GstBaseTransform.html#GstBaseTransform-struct">GstBaseTransform</a>
                    <span class="lineart">╰──</span> GstVideoFilter
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<a name="GstVideoFilter.includes"></a><h2>Includes</h2>
<pre class="synopsis">#include &lt;gst/video/video.h&gt;
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<a name="GstVideoFilter.description"></a><h2>Description</h2>
<p>Provides useful functions and a base class for video filters.</p>
<p>The videofilter will by default enable QoS on the parent GstBaseTransform
to implement frame dropping.</p>
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<div class="refsect1">
<a name="GstVideoFilter.functions_details"></a><h2>Functions</h2>
<p></p>
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<div class="refsect1">
<a name="GstVideoFilter.other_details"></a><h2>Types and Values</h2>
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<a name="GstVideoFilter-struct"></a><h3>struct GstVideoFilter</h3>
<pre class="programlisting">struct GstVideoFilter;</pre>
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<a name="GstVideoFilterClass"></a><h3>struct GstVideoFilterClass</h3>
<pre class="programlisting">struct GstVideoFilterClass {
  GstBaseTransformClass parent_class;

  gboolean      (*set_info)           (GstVideoFilter *filter,
                                       GstCaps *incaps, GstVideoInfo *in_info,
                                       GstCaps *outcaps, GstVideoInfo *out_info);

  /* transform */
  GstFlowReturn (*transform_frame)    (GstVideoFilter *filter,
                                       GstVideoFrame *inframe, GstVideoFrame *outframe);
  GstFlowReturn (*transform_frame_ip) (GstVideoFilter *trans, GstVideoFrame *frame);
};
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<p>The video filter class structure.</p>
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<a name="GstVideoFilterClass.members"></a><h4>Members</h4>
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<td class="struct_member_name"><p><em class="structfield"><code><a name="GstVideoFilterClass.set-info"></a>set_info</code></em> ()</p></td>
<td class="struct_member_description"><p>function to be called with the negotiated caps and video infos</p></td>
<td class="struct_member_annotations"> </td>
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<td class="struct_member_name"><p><em class="structfield"><code><a name="GstVideoFilterClass.transform-frame"></a>transform_frame</code></em> ()</p></td>
<td class="struct_member_description"><p>transform a video frame</p></td>
<td class="struct_member_annotations"> </td>
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<td class="struct_member_name"><p><em class="structfield"><code><a name="GstVideoFilterClass.transform-frame-ip"></a>transform_frame_ip</code></em> ()</p></td>
<td class="struct_member_description"><p>transform a video frame in place</p></td>
<td class="struct_member_annotations"> </td>
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